staging: ramster: decrease foregin pers pages when count < 0

commit 9a5c59687ad ("staging: ramster: Provide accessory functions for
counter decrease") forget decrease foregin pers pages, this patch fix
it.

Acked-by: Dan Magenheimer <dan.magenheimer@oracle.com>
Signed-off-by: Wanpeng Li <liwanp@linux.vnet.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/zcache/ramster/ramster.c b/drivers/staging/zcache/ramster/ramster.c
index c3d7f96..444189e 100644 (file)
--- a/drivers/staging/zcache/ramster/ramster.c
+++ b/drivers/staging/zcache/ramster/ramster.c
@@ -508,6 +508,7 @@ void ramster_count_foreign_pages(bool eph, int count)
                if (count > 0) {
                        inc_ramster_foreign_pers_pages();
                } else {
+                       dec_ramster_foreign_pers_pages();
                        WARN_ON_ONCE(ramster_foreign_pers_pages < 0);
                }
        }